Anker 621 Power Bank (Built-In USB-C Connector, 22.5W) User Guide (A1648)
Checking the Battery Level
Press the button to check the battery level.

Charging Your Devices


Note: Due to the foldable design of the USB-C connector, we sugggest holding both the phone and power
bank while charging.
Recharging Your Power Bank

Simultaneous Charging and Recharging
The power bank can recharge and charge other devices at the same time.

Specifications
|
Cell Capacity |
5,000mAh |
|
USB-C Input |
5V |
|
USB-C Output |
5V |
|
Total Output |
18W Max |

Anker 621 Power Bank (Built-In USB-C Connector, 22.5W) User Guide (A1648)


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Why Is the Rated Capacity Marked on a Power Bank Lower Than Expected? 16349 views 2 likes/2025-04-07 18:25:25
Why Does My Power Bank Stop Charging My Device at 80%? 12276 views 2 likes/2025-04-07 18:26:12
How Can I Charge Low-Current Devices Such as Headphones? 10080 views 3 likes/2025-04-18 14:03:20
Why Doesn't My Power Bank Charge My Devices as Many Times as Expected? 3523 views 1 likes/2025-06-03 20:51:46
Why Does My Power Bank Provide Varying Capacities/Energy When Charging Different Devices? 4149 views 1 likes/2025-04-07 18:25:25
3A / 9V 